Group 1 and group 2: Alkali and alkaline earth metals
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- Group 1 and group 2: a summary
- Intro to group 1 and 2.
- Properties of group 1 and group 2 metals.
- How do the properties change going down the group? (Trends in properties)
- Why do group 1 and 2 metals get more reactive down the group?
- Reactions of group 1 and 2 metals.
- Solubility of group 1 and 2 metals.
- Recall the trend in properties of the alkali metals.
Sort the alkali metals for the following properties:
i) From hardest to softest.
ii) From lowest to highest melting point.
- Recall and predict the reactions of the alkali metals.
In a school laboratory, a chunk of sodium metal is put in water.
i) Write a full word equation to show the reaction taking place.
ii) One of the products of the reaction can be identified by using universal indicator. What color will the solution become if universal indicator is added?
iii) After this, a student puts a chunk of potassium metal in a separate bath of water. Will this reaction be more or less vigorous? Explain why.